151 lines
4.2 KiB
PHP
151 lines
4.2 KiB
PHP
<?php
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if ( ! defined( 'ABSPATH' ) ) {
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exit;
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}
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/**
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* Point of entry for our 'linked downloadable files' functionality.
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*
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* Along with other classes in this directory, this used to exist as a standalone plugin (important to note because, for
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* backwards compatibility reasons, that may place limits on future refactoring).
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*
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* The overall goal is to let merchants associate individual downloadable products with subscription products.
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* Customers who purchase the subscription product then automatically are granted acccess to the relevant downloadable
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* files.
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*
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* This class sets up the functionality, and also provides a high-level interface through methods such as
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* get_order_downloads( $order ) and get_subscriptions( $product_id ).
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*
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* @since 8.1.0
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*/
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class WC_Subscription_Downloads {
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/**
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* Initialize the various subsystems that drive 'linked downloadable files' functionality.
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*/
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public static function setup(): void {
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if ( WC_Subscription_Downloads_Settings::is_enabled() ) {
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new WC_Subscription_Downloads_Order();
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if ( is_admin() ) {
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new WC_Subscription_Downloads_Products();
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new WC_Subscription_Downloads_Ajax();
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}
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}
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// Needs to load on admin even when downloads is disabled.
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// To ensure the settings are added to the subscription settings page.
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if ( is_admin() ) {
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new WC_Subscription_Downloads_Settings();
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}
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}
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/**
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* Install the plugin.
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*
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* @return void
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*/
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public static function install() {
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new WC_Subscription_Downloads_Install();
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}
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/**
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* Get subscriptions from a downloadable product.
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*
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* @param int $product_id
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*
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* @return array
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*/
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public static function get_subscriptions( $product_id ) {
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global $wpdb;
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$query = $wpdb->get_results( $wpdb->prepare( "SELECT subscription_id FROM {$wpdb->prefix}woocommerce_subscription_downloads WHERE product_id = %d", $product_id ), ARRAY_A );
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$subscriptions = array();
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foreach ( $query as $item ) {
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$subscriptions[] = $item['subscription_id'];
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}
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return $subscriptions;
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}
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/**
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* Get downloadable products from a subscription.
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*
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* @param int $subscription_id
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*
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* @return array
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*/
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public static function get_downloadable_products( $subscription_id, $subscription_variable_id = '' ) {
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global $wpdb;
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$query = $wpdb->get_results( $wpdb->prepare( "SELECT product_id FROM {$wpdb->prefix}woocommerce_subscription_downloads WHERE subscription_id = %d OR subscription_id = %d", $subscription_id, $subscription_variable_id ), ARRAY_A );
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$products = array();
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foreach ( $query as $item ) {
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$products[] = $item['product_id'];
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}
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return $products;
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}
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/**
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* Get order download files.
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*
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* @param WC_Order $order Order data.
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*
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* @return array Download data (name, file and download_url).
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*/
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public static function get_order_downloads( $order ) {
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$downloads = array();
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if ( class_exists( 'WC_Subscriptions_Core_Plugin' ) || version_compare( WC_Subscriptions::$version, '2.0.0', '>=' ) ) {
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$contains_subscription = wcs_order_contains_subscription( $order );
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} else {
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$contains_subscription = WC_Subscriptions_Order::order_contains_subscription( $order );
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}
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if ( 0 < count( $order->get_items() ) && $contains_subscription && $order->is_download_permitted() ) {
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foreach ( $order->get_items() as $item ) {
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// Gets the downloadable products.
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$downloadable_products = self::get_downloadable_products( $item['product_id'], $item['variation_id'] );
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if ( $downloadable_products ) {
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foreach ( $downloadable_products as $product_id ) {
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$_item = array(
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'product_id' => $product_id,
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'variation_id' => '',
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);
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// Get the download data.
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if ( version_compare( WC_VERSION, '3.0', '<' ) ) {
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$_downloads = $order->get_item_downloads( $_item );
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} else {
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$order_item = new WC_Order_Item_Product();
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$product = wc_get_product( $product_id );
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if ( empty( $product ) ) {
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continue;
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}
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$order_item->set_product( $product );
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$order_item->set_order_id( $order->get_id() );
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$_downloads = $order_item->get_item_downloads();
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}
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if ( empty( $_downloads ) ) {
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continue;
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}
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foreach ( $_downloads as $download ) {
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$downloads[] = $download;
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}
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}
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}
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}
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}
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return $downloads;
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}
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}
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